Home / 3,124.60-4,687.66-2,201.95

Finding the Fourth Proportional to 3,124.60, 4,687.66 and 2,201.95

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Solution

The fourth proportional to 3,124.60, 4,687.66 and 2,201.95 is: 3,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.60 : 4,687.66 = 2,201.95 : x
  2. Step 2: Convert to fraction form
    3,124.60/4,687.66 = 2,201.95/x
  3. Step 3: Cross multiply
    3,124.60x = 4,687.66 × 2,201.95
  4. Step 4: Simplify right side
    3,124.60x = 10,321,992.94
  5. Step 5: Solve for x
    x = 10,321,992.94/3,124.60
  6. Step 6: Final answer
    x = 3,303.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.